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Location: Riyadh, Saudi Arabia As a Windows System Administrator at Müller's Solutions, you will be responsible for the installation, configuration, maintenance, and optimization of our Windows server environment. This role requires a deep understanding of Windows operating systems and will involve managing and troubleshooting server hardware, software, and networking components. You'll work closely with other IT staff to ensure high availability and performance of our systems, as well as support our users’ needs by providing excellent technical support. Key Responsibilities: Manage, maintain, and monitor Windows servers to ensure optimal performance and availability. Install and configure Windows OS and application software, applying updates and patches regularly. Troubleshoot and resolve server-related issues, including hardware and software malfunctions. Ensure data integrity by implementing and managing backup solutions and disaster recovery plans. Manage user accounts, permissions, and security settings within Active Directory. Implement and maintain security measures to protect server data and systems, including firewalls and anti-virus tools. Document system configurations, procedures, and changes in IT documentation. Assist in planning and executing system migrations, upgrades, and new deployments. Requirements Requirements: Bachelor's degree in Computer Science, Information Technology, or a related field. 3-6 years of experience in Windows system administration or a related role. Strong knowledge of Windows Server operating systems (Windows Server 2016/2019/2022). Experience with Active Directory, Group Policy, and other directory services. Familiarity with virtualization technologies (VMware, Hyper-V) as well as cloud services (AWS, Azure) is advantageous. Excellent troubleshooting skills for resolving hardware and software issues in a timely manner. Ability to follow detailed procedures and maintain accurate documentation. Relevant certifications such as Microsoft Certified Solutions Expert (MCSE) are a plus. Preferred Qualifications: Experience with PowerShell scripting for automation of tasks. Knowledge of network protocols and services (TCP/IP, DNS, DHCP). Understanding of database management systems (SQL Server) and application server environments. Strong communication skills to effectively assist and guide end-users. Proactive approach to system monitoring and improvement strategies. Benefits Why Join Us: Opportunity to work with a talented and passionate team. Competitive salary and benefits package. Exciting projects and innovative work environment.

Location: Riyadh, Saudi Arabia As an IT System Administrator at Müller's Solutions, you will be responsible for managing and maintaining our organization's IT infrastructure, ensuring reliable operation of servers and systems. You will be instrumental in implementing and supporting network and server environments, while also ensuring the security and integrity of our systems against vulnerabilities. This role involves proactive monitoring, troubleshooting, and optimizing system performance to support business operations. Key Responsibilities: Install, configure, and maintain server operating systems, applications, and hardware. Monitor system performance and troubleshoot issues to ensure high availability and performance of IT services. Manage user accounts, permissions, and access controls for systems and applications. Implement and oversee data backup and recovery processes, ensuring data integrity and disaster recovery procedures are in place. Provide technical support for staff and troubleshoot IT-related issues across the organization. Ensure system security measures are in place, including firewalls, anti-virus software, and patch management. Assist in planning and implementing system migrations, upgrades, and expansions to meet organizational needs. Document system configurations, procedures, and guidelines for future reference. Requirements Requirements: Bachelor's degree in Computer Science, Information Technology, or a related field. 3-5 years of experience in system administration or a related role. Strong knowledge of server operating systems (Windows Server, Linux) and virtualization technologies (VMware, Hyper-V). Experience with network protocols, services, and security measures. Ability to troubleshoot and resolve hardware and software issues effectively. Familiarity with backup and disaster recovery solutions. Excellent communication skills, with the ability to assist and train users on IT best practices. Relevant certifications such as Microsoft Certified Solutions Associate (MCSA) or Red Hat Certified System Administrator (RHCSA) are a plus. Preferred Qualifications: Experience with cloud services (AWS, Azure) and automation tools. Knowledge of scripting languages (PowerShell, Bash) for automation tasks. Experience with IT service management tools or frameworks (ITIL). Understanding of database management (SQL Server, MySQL) and application server environments is advantageous. Strong problem-solving skills and a proactive approach to system management. Benefits Why Join Us: Opportunity to work with a talented and passionate team. Competitive salary and benefits package. Exciting projects and innovative work environment.

Location: United Kingdom About Your Tasks Infrastructure Management Oversee the design, deployment, and maintenance of IT infrastructure, including servers, networks, storage systems, and other hardware and software components. Develop and implement strategies for infrastructure capacity planning, performance optimization, and disaster recovery. Ensure high availability and reliability of IT services through proactive monitoring and maintenance practices. Team Leadership Lead and manage a team of IT professionals, including network engineers, system administrators, and support staff. Foster a collaborative and innovative team environment, encouraging professional development and continuous learning. Set performance goals, conduct regular performance evaluations, and provide coaching and mentorship to team members. Security and Compliance Implement and enforce security policies and procedures to protect the organization's IT infrastructure from threats and vulnerabilities. Ensure compliance with industry regulations, standards, and best practices, such as GDPR, HIPAA, and ISO/IEC 27001. Conduct regular security assessments, audits, and penetration testing to identify and mitigate risks. Vendor and Stakeholder Management Manage relationships with external vendors and service providers, negotiating contracts and ensuring service level agreements (SLAs) are met. Collaborate with internal stakeholders, including executives, department heads, and project managers, to align IT infrastructure initiatives with business objectives. Communicate infrastructure status, issues, and recommendations to senior management in a clear and concise manner. Project Management Lead infrastructure projects from initiation to completion, ensuring they are delivered on time, within budget, and meet quality standards. Develop and manage project plans, budgets, and timelines, coordinating resources and stakeholders as needed. Monitor project progress, identify risks and issues, and implement corrective actions to keep projects on track. Innovation and Improvement Stay current with emerging technologies and industry trends, evaluating their potential impact on the organization's IT infrastructure. Identify opportunities for infrastructure improvement and innovation, driving initiatives to enhance performance, scalability, and efficiency. Foster a culture of continuous improvement, encouraging the adoption of best practices and new technologies. Requirements Education and Experience Bachelor's degree in Computer Science, Information Technology, or a related field. A master's degree or relevant certifications (e.g., Cisco, Microsoft) is a plus. At least 5-7 years of experience in IT infrastructure management, with a proven track record of leading and managing infrastructure teams. Extensive knowledge of IT infrastructure components, including networking, servers, storage, virtualization, and cloud technologies. Experience of technologies such as Veeam, SQL, Office 365, VMware would be advantageous. Technical Skills Proficiency in network and system administration, including experience with routers, switches, firewalls, and load balancers. Strong understanding of virtualization technologies (e.g., VMware, Hyper-V) and cloud computing platforms (e.g., AWS, Azure, Google Cloud). Familiarity with IT service management frameworks (e.g., ITIL) and project management methodologies (e.g., Agile, Scrum). Soft Skills Excellent leadership and team management skills, with the ability to inspire and motivate team members. Strong analytical and problem-solving abilities, with a keen attention to detail. Effective communication and interpersonal skills, with the ability to collaborate with stakeholders at all levels of the organization. Demonstrated ability to manage multiple projects and priorities in a fast-paced environment.

Location: Home based - Worldwide Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1100+ colleagues in 75+ countries and very few office based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder led, profitable and growing. We are hiring an Associate Support Engineer to build a career with Canonical and support the technical needs of customers leveraging Ubuntu and open source products. This role is an opportunity for a hands-on engineer with eagerness to learn, a passion for Linux and open source technologies to work with some of the best people in the industry at Canonical. We regularly solve interesting, technical problems. From triaging complex cloud environments, desktop and server issues, Linux kernel crashes we’ve never seen before to OS configuration issues and root cause analysis, we provide an expert level of support and satisfaction to our peer groups and  customers. You will be accountable for delivering an outstanding technical support experience on the full technical stack at Canonical, across cloud, desktop and IoT. From problem qualification to full resolution, you will own and manage your cases. When needed, you will transfer your cases to your colleagues or involve senior engineers. This is a globally remote role. Location: This is a globally remote role. The role entails Working from your remote home office to provide technical support for employees. Being available to take ownership of new cases via telephone, email and web Acting as an internal customer advocate keeping them updated in a timely manner Ensuring that each support case owned by you is handled according to our Service Level Agreement (SLA) with the highest possible customer satisfaction by setting the right expectations and fulfilling your commitments. Contributing new knowledge base articles and maintaining existing articles, ensuring shared knowledge and lessons learned are available to customers. Drafting and distributing technical notices for internal and external communication. Prioritising your work in order to accomplish the most important and urgent tasks first Keeping on learning as our products and services grow and evolve Understanding Ubuntu development process to be able to set customer expectations correctly on timeline for a fix Maintaining regular communication and information exchange with the rest of the team, locally and remotely Identifying and suggesting any opportunities to provide a better service Participating in a regular weekend working rotation What we are looking for in you Exceptional academic track record from both high school and university Undergraduate degree in a technical subject or a compelling narrative about your alternative chosen path. Preferable majors: Computer Science, MIS, Electrical Engineering, etc. Confidence to respectfully speak up, exchange feedback, and share ideas without hesitation Track record of going above-and-beyond expectations to achieve outstanding results Experience with Linux troubleshooting (collecting logs and stack traces, fine-tuning by editing configuration files) Knowledge or basic hands-on experience on 2 or more of: Linux server administration Programming fundamentals in any language (bash, Perl, Ruby, Javascript, C or C++, Go) Networking (bonding, firewalling, bridging, switching, network file system tuning, MTU issues, etc.) Virtualization / Cloud computing concepts (provisioning, monitoring, orchestration, etc.) Ability to learn quickly, thrive on change and handle the pressure of a customer facing job Strong written and verbal English communication skills Appreciative of diversity, polite and effective in a multi-cultural, multi-national organisation Result-oriented, with a personal drive to meet commitments Ability to travel internationally twice a year, for company events up to two weeks long Noting that we require and will perform a background check for this role. Nice-to-have skills Experience supporting virtualized environments (KVM, Virtual Box, VMWare) Experience with other open-source desktop technologies Active contribution to open-source projects/forum/code What we offer colleagues We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognise outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits, which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally. Distributed work environment with twice-yearly team sprints in person Personal learning and development budget of USD 2,000 per year Annual compensation review Recognition rewards Annual holiday leave Maternity and paternity leave Employee Assistance Programme Opportunity to travel to new locations to meet colleagues Priority Pass, and travel upgrades for long haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform for AI, IoT and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence - in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since its inception in 2004.​ Working here is a step into the future, and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration. #LI-remote

Location: Cyprus Workplace: hybrid About the Team We are Quadcode, a fintech company excelling in financial brokerage activities and delivering advanced financial products to our global clientele. Our flagship product, an internal trading platform, is offered as a Software-as-a-Service (SaaS) solution to other brokers. About the role We're looking for a Linux Administrator to join our Infrastructure team, responsible for building, operating and continuously improving all of our infrastructure services — from core services to observability and private clouds. Our infrastructure supports the stable operation of a large-scale trading platform and includes 2,000+ virtual machines and 300+ physical servers, running predominantly on Ubuntu. The stack ranges from core services like LDAP, PowerDNS and NTP, to an observability stack (Prometheus, Thanos, Loki, Grafana, Jaeger) and private clouds based on OpenStack and Kubernetes, as well as services such as GitLab, Artifactory and Vault. You’ll work in a team of experienced infrastructure engineers, using Scrum and Agile practices, with two-week sprints and a strong focus on automation, reliability and continuous improvement. The position is hybrid, with 3 days per week from our office in Limassol or Larnaca, with a flexible start time — anytime before 12:00 pm EET/EEST. Why this role? You’ll be part of the team responsible for the production environment behind products used by millions of users, working directly with development teams, helping them troubleshoot infrastructure-related issues and keep their services running reliably in production. It’s a good fit for an engineer who enjoys troubleshooting, automation and making infrastructure more reliable and scalable, rather than simply maintaining servers. Tasks Oversee various services and associated infrastructure components, including DNS, Gitlab, Artifactory, Vault, Loki, Prometheus etc; Perform day-to-day operational tasks such as upgrades, CVE patching, backup and restore, security scans, and monitoring; Design, configure, maintain and troubleshoot Linux systems across different environments, including bare metal, virtual machines and containers. Resolve incidents, provide support coverage, categorize issues, conduct post-mortems, and perform root cause analysis; Manage and support private clouds (Openstack and Kubernetes); Ensure environments are stable and adhere to availability SLAs; Work towards reducing operational effort; Automate repetitive operational tasks and continuously reduce manual effort; Collaborate with development teams to troubleshoot infrastructure-related issues in production; Keep infrastructure documentation and operational procedures up to date; Engage in constant upskilling to stay updated with industry best practices. Requirements 3+ years of professional experience as a Linux System Administrator, DevOps Engineer, or Site Reliability Engineer, with a focus on infrastructure. Extensive experience in designing, building, configuring, and troubleshooting Linux servers across various environments (bare metal, container, cloud); Experience with Linux server configuration, maintenance and troubleshooting in production. Understanding of process control, logging and Linux service management. Experience with infrastructure services such as Vault, Artifactory, DNS and similar platform components. Proficiency with automation tools such as Chef, Ansible, or Salt; Experience with Docker, Kubernetes and containerized environments; Experience with monitoring and log aggregation tools like Grafana, ELK, or Graylog; Experience in deploying and maintaining systems on cloud solutions such as OpenStack, VMware, Proxmox, or public cloud platforms such as AWS, GCP, Azure. Skilled in scripting languages such as Bash and Python; Familiarity with configuring various servers and databases, including Apache Tomcat, Nginx, MySQL DB, PostgreSQL, Kafka, RabbitMQ, etc; Experience with DevOps tools and CI/CD workflows. At least C1 in Russian and B1 in English. Nice to have Hands-on experience with Kubernetes, including troubleshooting workloads and cluster-related issues. Hands-on experience with OpenStack, including deployment, configuration, maintenance or troubleshooting of private cloud environments. Hands-on experience with Chef. Experience with GitLab CI/CD, Jenkins or GitHub Actions. Experience working with fintech/trading, or other high-load and mission-critical systems. We offer Hybrid work model in our brand-new offices (Limassol or Larnaca). Health insurance and mental health services. 13th salary and 21 vacation days per year. Sick leave without medical certificate: 3 days per quarter. Catered breakfast and lunch at the office. Tuition reimbursement (kindergartens/schools). Onsite Gym. Corporate events and workshops. Bonuses for special events (e.g., child's birth). Birthday and anniversary gifts. Company-provided laptop. Corporate AI subscriptions (Claude, Gemini, GPT, etc.). Access to a rewards marketplace offering a variety of products and language courses, redeemable using the company’s internal currency. With a team of 500+ creative and tech-driven people across the globe, Quadcode is the place where ideas turn into impact, where every project is a chance to grow, innovate, and make your mark. Join us today, and let's shape the future of fintech together! Note: All applications will be treated with strict confidence. We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted. #LI-JM1